I use the spray can, but you must be "very careful" not to over-spray or it
could possibly cause problems. The product also comes in a drip-type can that
would probably be more suitable for the OG. I would recommend "one" small
drop. Then spread it around with a paper towel until it is dry. Let it sit
for a while. The screen will be like new or better than new, very slick, easy
to write on and will be protected. If you're going to use the spray-can, I
would suggest spraying it on a paper towel and wiping it on the OG screen.
I use it whenever it seems I need it.
Use at your own risk. It works for me, but I cannot be held responsible for
it working for you or any damage it may cause. You can use it for many other
lubricating purposes too. If you only use it for your OG or Zoomer, one can
should last about 387 years ;)
Frank